Field-Induced Lifshitz Transition without Metamagnetism in CeIrIn$_5$

D. Aoki; G. Seyfarth; A. Pourret; A. Gourgout; A. McCollam; J. A. N. Bruin; Y. Krupko; I. Sheikin

doi:10.1103/PhysRevLett.116.037202

Field-Induced Lifshitz Transition without Metamagnetism in CeIrIn$_5$

Strongly Correlated Electrons 2016-01-26 v1

Authors: D. Aoki , G. Seyfarth , A. Pourret , A. Gourgout , A. McCollam , J. A. N. Bruin , Y. Krupko , I. Sheikin

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Abstract

We report high magnetic field measurements of magnetic torque, thermoelectric power (TEP), magnetization, and de Haas-van Alphen (dHvA) effect in CeIrIn $_5$ across 28 T, where a metamagnetic transition was suggested in previous studies. The TEP displays two maxima at 28 T and 32 T. Above 28 T, a new, low dHvA frequency with strongly enhanced effective mass emerges, while the highest frequency observed at low field disappears entirely. This suggests a field-induced Lifshitz transition. However, longitudinal magnetization does not show any anomaly up to 33 T, thus ruling out a metamagnetic transition at 28 T.

Keywords

Lifshitz transition metamagnetism CeIrIn5 high magnetic field thermoelectric power de Haas-van Alphen effect effective mass magnetization

Cite

@article{arxiv.1512.07388,
  title  = {Field-Induced Lifshitz Transition without Metamagnetism in CeIrIn$_5$},
  author = {D. Aoki and G. Seyfarth and A. Pourret and A. Gourgout and A. McCollam and J. A. N. Bruin and Y. Krupko and I. Sheikin},
  journal= {arXiv preprint arXiv:1512.07388},
  year   = {2016}
}

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accepted to Phys. Rev. Lett

Field-Induced Lifshitz Transition without Metamagnetism in CeIrIn$_5$

Abstract

Keywords

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